It was early spring, the weather was mild, and willow trees by the roadside had just sprouted fresh green buds. A few sparrows chirped on the branches, making everything seem so lively.,The capital city of the 1960s was nowhere near as colorful, bustling with traffic, and glittering as it is in later times.,Although Beijing in the 1960s was not as developed as it is in the 21st century, it was much better than the post-apocalyptic world. At least there were no terrifying zombies.。